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- Title
Vibrio chemaguriensis sp. nov., from Sundarbans, Bay of Bengal.
- Authors
Ghosh, Anwesha; Bhadury, Punyasloke
- Abstract
A new species of Vibrio (annotated as SBOTS_Iso1) was isolated in August 2014 from the Stn1 located in Chemaguri creek of Sundarbans mangrove ecoregion and taxonomically characterized using a polyphasic approach. Phenotypic analysis including biochemical tests and growth across a wide range of salinities indicated the typical estuarine characteristics of this new species. The bacterium was Gram negative, rod-shaped, oxidase and catalase negative and grows in the presence of NaCl. FAME analysis indicated 31.7% of the cellular fatty acids to be made up of 16:1 ω7c/16:1 ω6c. Amplification and sequencing of 16S rRNA and multilocus sequence analysis of four loci (2040 bp; rpoA, topA, mreB, pyrH) and additional sequence data of ftsZ, atpD, ompW and rpoB genes showed this isolate to be a member of Harveyi clade of the genus Vibrio. The closest phylogenetic neighbour was Vibrio alginolyticus ATCC 17749T with 96.8% similarity. Whole-genome sequence data indicates the presence of ~ 5 Mbp genome. GGDC, orthoANIu and AAI indicated 45%, 92% and 0.962 identity respectively with genome of Vibrio alginolyticus ATCC 17749T. The isolate SBOTS_Iso1 has been named Vibrio chemaguriensis sp. nov. on the name of the site from where it was first isolated.
- Subjects
SUNDARBANS (Bangladesh &; India); GRAM-negative bacteria; VIBRIO; FATTY acid methyl esters; VIBRIO alginolyticus; VIBRIO harveyi; SEQUENCE analysis; FATTY acids
- Publication
Current Microbiology, 2019, Vol 76, Issue 10, p1118
- ISSN
0343-8651
- Publication type
Article
- DOI
10.1007/s00284-019-01731-7